Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · CMS publication 2026-06-30 View official record Methodology

Covered recipient · General Payments record

AILEEN AMBARTSUMYAN

Physician Assistants & Advanced Practice Nursing Providers Nurse Practitioner Family

NPI
1194405787
CMS profile
11476159
Location
GLENDALE, CA

General Payments · PY2025

$288.26

  • Reported across 10 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$288.26

10 records · 0 disputed

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

How these totals are calculated
  • This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. Nothing is estimated, weighted, or combined across categories.
  • General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
  • Featured-page threshold (a presentation gate, not a judgment): records>=3 OR total>=100 (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

By nature of payment

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $288.26 10

By paying entity

PY2025 · sorted by reported total

Paying entityAmountRecords
PFIZER INC. $79.03 3
Lilly USA, LLC $76.06 3
BOSTON SCIENTIFIC CORPORATION $52.26 1
Regeneron Healthcare Solutions, Inc. $28.89 1
Ardelyx, Inc. $28.21 1
SANOFI-AVENTIS U.S. LLC $23.81 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2025 $288.26 10

Payment records · PY2025 (10)

Ordering applied by this site (paying entity, then date) · record values are shown as CMS published them

Program year 2025
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Ardelyx, Inc. $28.21 10/27/2025 Food and Beverage Undisputed 06/30/2026 1247896615 CMS
Boston Scientific Corporation $52.26 06/12/2025 Food and Beverage Undisputed 06/30/2026 1181581932 CMS
Lilly USA, LLC $20.78 06/11/2025 Food and Beverage Undisputed 06/30/2026 1186980590 CMS
Lilly USA, LLC $27.43 09/02/2025 Food and Beverage Undisputed 06/30/2026 1186946169 CMS
Lilly USA, LLC $27.85 10/24/2025 Food and Beverage Undisputed 06/30/2026 1186980592 CMS
PFIZER INC. $26.28 07/24/2025 Food and Beverage Undisputed 06/30/2026 1230558346 CMS
PFIZER INC. $25.76 09/04/2025 Food and Beverage Undisputed 06/30/2026 1230572435 CMS
PFIZER INC. $26.99 10/30/2025 Food and Beverage Undisputed 06/30/2026 1230647449 CMS
Regeneron Healthcare Solutions, Inc. $28.89 07/23/2025 Food and Beverage Undisputed 06/30/2026 1213082986 CMS
SANOFI-AVENTIS U.S. LLC $23.81 08/06/2025 Food and Beverage Undisputed 06/30/2026 1233244895 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2025
Source files
Dataset page · Bulk file · PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.